444571144134420 has 48 divisors (see below), whose sum is σ = 1244802622996800. Its totient is φ = 118551979443456.

The previous prime is 444571144134367. The next prime is 444571144134437. The reversal of 444571144134420 is 24431441175444.

It is a self number, because there is not a number n which added to its sum of digits gives 444571144134420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12256131 + ... + 32239029.

It is an arithmetic number, because the mean of its divisors is an integer number (25933387979100).

Almost surely, 2^{444571144134420} is an apocalyptic number.

It is an amenable number.

444571144134420 is an abundant number, since it is smaller than the sum of its proper divisors (800231478862380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444571144134420 is a wasteful number, since it uses less digits than its factorization.

444571144134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20353704 (or 20353702 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 48.

The spelling of 444571144134420 in words is "four hundred forty-four trillion, five hundred seventy-one billion, one hundred forty-four million, one hundred thirty-four thousand, four hundred twenty".